Caliber lookup
Movement referencelong run
7S55
Higher-grade 7S-series auto used in select Seiko 5 and SUS/Spirit models, often with open-heart dials.
- Type
- automatic
- Jewels
- 23
- Produced
- 1996–2012 ~
- Family
- Seiko 5
In the catalogue
0 modelsNo models with the 7S55 are in the catalogued sets yet — our extracted catalogues are mostly 1970s Japanese-domestic editions. More catalogues are being digitised.

